^{西門子檢漏裝置LDU11.523A27}
為氣體閥驗證（泄漏測試）設計的LDU1 1 是基于以下的壓力檢測原理。LDU11.523A27它可以用于帶或不帶放散管的氣體燃燒裝置。
火焰探測器（電眼）：QRA50M,QRB3,QRA2,QRA10.C,QRA10M.C,QRA53.C27,QRA2M,
LDU11.523A27
QRA53.D27,QRA55.C27,QRA55.D27,QRA4.U,RAR7,RAR9,QRA53.C17,QRA55.C17,QRB3S LDU11.523A27
QRI2A2.B180B,QRI2B2.B180B,QRI2B2.B180B1,QRB1A-A070B70A2,QGO20.000D27
配套附件AGG16.C,AGM19,AGG06,AGG07,KF8832
燈泡：AGR450242680,AGR450240650，AGR450211310,CROW54,DR100 LDU11.523A27
鍋爐及過程控制器:RWF40.000A97,KS40-108-9090M-D35,EMF-23,EMF-5U,RS-485,ROB50.221B27
壓力傳感器:QBE9000-P25,QBE9000-P16,QBE2000-P10,QBE9000-P10,QBE2000-P20,QBE2000-P40
QBE2000-P1,QBE2000-P2,QBE2000-P4,QBE2000-P5
檢漏裝置：LDU11.523A27,LDU11.323A27,W-DK3/01 S-2,VPS504 S04S02,DSLC,DK2F
電位器：ASZ16.703,ASZ8.703,ASZ12.703,ASZ16.733,ASZ12.803,ASZ12.833LDU11.523A27
ASZ22.703,ASZ66.733,ASZ88.733,ASZ82.733.ASZ22.733,ASZ22.803,ASZ22.733,ASZ22.903
輸入模塊：AGA56.1A97,AGA56.41A27,AGA56.41A87,AGA56.42A27,AGA56.42A87,AGA56.43A27
AGA56.43A87,AGA56.9A27,AGA56.9A87,AGQ1.1A27,AGQ1.2A27,AGQ3.1A27,AGQ3.2A27
閥門：VGG10.204P,VGG10.254P,VGG10.404P,VGG10.504P,VGG10.804P;VGF10.654P,VGF10.804P;
VGH10.18050,VGH10.19050,VGH10.19150;VGD20.403,VGD20.503;VGD40.065,VGD40.080,
VGD40.100,VGD40.125,VGD40.150
壓力開關：QPL25.003,QPL25.010,QPL25.050,QPL25.150,QPL25.500